b4w dummy data

tests/test_model_b4wexport.py

@@ -33,6 +33,15 @@ def test_b4w_export_account_iban_to_short():
         _ = B4wExportFactory.build(OwnrAcctIBAN="DE123")
 
 
+def test_b4w_export_parameters_to_dict():
+    data = B4wExportFactory.build()
+    params = data.parameters_to_dict()
+    expected = sorted(field.alias for field in B4wExport.model_fields.values())
+    assert sorted(params) == expected
+    assert "OwnrAcctCcy" in params
+    assert all(isinstance(value, str) for value in params.values())
+
+
 def test_b4w_export_parameters_to_str():
     data = B4wExportFactory.build()
     params = data.parameters_to_str()